Specifications

1.Compatible with USB and stereo speaker

2.Extensive application

3.It is a good company when you are going on errand, travelling,shopping, and doing outdoor activities.

4.It is appropriate for mp3,mobile phone, notebook, PC, MP4,DVD player, and any portable audio devices by the stereo jack output.
5.Built-in high-capacity lithium battery and no need for extra power

6.Easy charging: automatically charging after connecting with PC or via USB power adapter(not included).
7.Audio format: MP3

8.Transport: USB 2.0 full speed,

9.Audio source: USB flash drive,SD card,MP3,mobile phone,PC, notebook.

10.With on/off power switch

11.No need for additional adapter/extra power.

12.Ideal for gifts and promotional items.